Before attempting to cut away the moulding sprues from individual parts first place in hot water or under the heat of a naked light bulb (min. 100W). Once heated the material becomes malleable and easy to cut, heat and work with one part at a time and handle heated parts with care. To obtain the sheet aluminum ductile heat it in fire. *Assemble using cyanoacrylate adhesive ("Superglue" or similar).
* If the set contains it.